The nervous system

Which of the following is not a part of the central nervous system?

• Cranial nerves

• Hypothalamus

• cerebrum

• Spinal cord

Answer explanation

cranial nerve, in vertebrates, any of the paired nerves of the peripheral nervous system that connect the muscles and sense organs of the head and thoracic region directly to the brain.

Which of the following can conduct impulses away from the neuron cell body or toward it?

• Axon

• Dendrite

• Myelin Sheath

• Synapse

Answer explanation

Clue is the letter "a" in axon which stands for "away"

The peripheral nervous system includes the ________.

• Brain

• Nerves

• Spinal cord

• Synapse

Answer explanation

Nerves are like cables that carry electrical impulses between your brain and the rest of your body.

The cerebellum is the site for managing ________.

• Behavior

• Memory

• Motor activity

• Respiration

Answer explanation

Cerebellum

- the part under the cerebrum that controls posture, balance, and coordination.

In which direction does an impulse travel along a neuron?

• From axon to axon

• From axon to dendrite

• From dendrite to axon

• From dendrite to dendrite

Answer explanation

Nerve impulses begin in a dendrite, move toward the cell body, and then move down the axon.